Chapter 3 Quiz Review

Front 1

Avogadro's Number (N)

Back 1

Number of atoms in 12 grams of carbon-12, having a value of 6.022x10^23

Front 2

Chemical formula

Back 2

symbolic representation which specifies the elements present in a compound as well as the relative or actual numbers of atoms of each element present.

Front 3

empirical formula

Back 3

chemical formula that shows only the simplest ratio of atoms in a compound, used for ionic compounds

Front 4

formula unit

Back 4

the simplest ratio of atoms in a molecule, same as empirical formula and used in ionic compounds

Front 5

molar mass

Back 5

the mass in grams of one mole of a substance

Front 6

mole (mol)

Back 6

Avogadro's number of anything, 6.022x10^23.

Front 7

molecular formula

Back 7

the formula of an actual molecule, used to represent molecular compounds

Front 8

molecular mass

Back 8

the sum of all the atomic masses, in atomic mass units, of all the atoms in the formula of a compound

Front 9

molecule

Back 9

the smallest particle of a pure substance which possesses a unique set of properties and is capable of independent existence

Front 10

stoichiometry

Back 10

quantitive relationships (mass and mole) between substances involved in chemical changes (literally "to measure the elements")

Front 11

Structure for naming ionic compounds

Back 11

cation first, then anion, without prefixes

Front 12

mono-

Back 12

prefix for one. used only if there are other chemicals with more than one binary compound of the same two elements

Front 13

di

Back 13

prefix for two

Front 14

tri

Back 14

prefix for 3

Front 15

tetra

Back 15

prefix for 4

Front 16

penta

Back 16

prefix for 5

Front 17

hexa

Back 17

prefix for 6

Front 18

hepta

Back 18

prefix for 7

Front 19

octa

Back 19

prefix for 8

Front 20

nona

Back 20

prefix for 9

Front 21

deca

Back 21

prefix for 10